create.U {cta}

Orthogonal Complement of the Column Space of a Matrix

Description

Creates a full column rank matrix, U, with column space equal to the orthogonal complement of the column space of X. That is, U has column space equal to the null space of X'.

Usage

create.U(X)

Arguments

X

A full column rank matrix.

Value

create.U returns a full column rank matrix U, with column space equal to the orthogonal complement of the column space of X.

Author(s)

Joseph B. Lang

See Also

mph.fit

Examples

X <- matrix(seq(1, 12), ncol = 2, byrow = TRUE)
create.U(X)